Aluminum-based composite lightweight brake disc

Abstract

The utility model relates to the technical field of brake discs, and discloses an aluminum-based composite light-weight brake disc, a brake mounting ring seat is arranged at the front part of a disc body mounting seat, a brake disc body is mounted on the side of the brake mounting ring seat in an integral pressing and riveting manner, and the brake disc body comprises an aluminum-based disc body and a cast iron brake layer; the aluminum-based disc body is fixedly connected with the cast iron brake layer, the brake disc is installed in an integrated riveting mode, the connecting riveting holes are formed in the upper portion of the brake installation ring base, the connecting riveting columns are arranged on the installation side of the brake disc body, and fixed installation of the brake disc body and the brake installation ring base can be completed through integrated press fit. Compared with a traditional bolt type installation structure, the brake disc has lower machining cost and process requirements, the brake disc is of a light structure, the disc body installation base is made of cast aluminum materials, the brake disc body is formed by compositing the aluminum-based disc body and the cast iron brake layer, the overall weight of the brake disc is greatly reduced, and the brake disc is convenient to assemble and disassemble. And the structural light weight of the brake disc is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of brake discs, in particular to an aluminum-based composite lightweight brake disc. Background Art

[0002] The brake disc is an important component of a car when braking. It uses the brake pad to clamp the brake disc to generate friction, which in turn stops the wheel from rotating to achieve the braking effect. It is used for deceleration and braking, which is related to driving safety and personal life. The braking performance of the brake disc directly affects the driving safety of the car.

[0003] Traditional automobile brake discs are mostly made of one-piece cast iron. The high density of cast iron will increase the overall weight of the brake disc, which will not only increase the overall mass of the vehicle and increase fuel consumption, but also increase the brake disc's own inertial momentum, affecting the braking effect of the brake disc. In addition, the brake pad, as the main working part of the brake disc, is installed on the upper part of the mounting seat. Traditional brake pads and mounting seats mostly use a bolted mounting structure. During the production process, multiple bolt structures need to be tightened, and the process is complicated and the production efficiency is low. Utility Model Content

[0004] The purpose of the utility model is to provide an aluminum-based composite lightweight brake disc to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an aluminum-based composite lightweight brake disc, comprising a disc body mounting seat and a brake disc body, a brake mounting ring seat is arranged at the front of the disc body mounting seat, connecting rivet holes are evenly arranged at the upper part of the brake mounting ring seat, connecting rivet columns are evenly arranged at the mounting side of the brake disc body, and the brake disc body is mounted on the side of the brake mounting ring seat by integrated press-fit riveting;

[0006] The brake disc body comprises an aluminum-based disc body and a cast iron brake layer, and the aluminum-based disc body is fixedly connected to the cast iron brake layer.

[0007] Preferably, the aluminum-based disc body is arranged on the installation side of the brake disc body, the cast iron brake layer is arranged on the braking side of the brake disc body, and the aluminum-based disc body and the cast iron brake layer are fixedly connected by integral sintering.

[0008] Preferably, bolt mounting holes are evenly provided on the rear connection side of the above-mentioned disc body mounting seat, and the disc body mounting seat is installed and fixed by means of the bolt mounting holes cooperating with the bolt structure.

[0009] Preferably, the brake mounting ring seat is fixed to the front side of the disc body mounting seat, and positioning ring seats are fixed to the inner rings on both the front and rear sides of the brake mounting ring seat. There are two brake disc bodies, and the two brake disc bodies are respectively mounted on both sides of the brake mounting ring seat through positioning ring seats.

[0010] Preferably, the number and positions of the connecting rivet holes and the connecting rivet studs correspond to each other, and the connecting rivet studs are inserted and engaged with the connecting rivet holes, and after pressing, the connecting rivet studs are tightly riveted with the connecting rivet holes.

[0011] Preferably, the brake disc body and the upper part of the brake mounting ring seat are penetrated with heat dissipation holes, and a plurality of heat dissipation holes are provided, and several of the heat dissipation holes are evenly arranged in a circular shape on the upper part of the brake mounting ring seat and the brake disc body.

[0012] Preferably, the upper portion of the positioning ring seat is evenly provided with ring seat heat dissipation holes, and a plurality of the ring seat heat dissipation holes are evenly arranged in a circular shape and penetrate the middle portion of the positioning ring seat.

[0013] Compared with the prior art, the utility model adopts the above technical solution and has the following technical effects:

[0014] The brake disc adopts an integrated riveted installation method, with connecting rivet holes evenly arranged on the upper part of the brake mounting ring seat, and connecting rivet columns evenly arranged on the installation side of the brake disc body. During production, the brake disc body and the brake mounting ring seat can be fixed and installed by integrated pressing. The process is simple and has lower processing costs and process requirements than the traditional bolt-type installation structure, and can improve the production efficiency of the brake disc. The brake disc adopts a lightweight structure setting, the disc body mounting seat is made of cast aluminum material, and the brake disc body is composed of an aluminum-based disc body and a cast iron brake layer. The overall weight of the brake disc is greatly reduced, the structure of the brake disc is lightweight, and it is beneficial to improve the performance of the brake disc. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall front structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall rear structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the overall front side split structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the overall rear side split structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the disk mounting seat of the utility model;

[0021] Figure 6 It is a schematic diagram of the internal sandwich structure of the brake disc body of the utility model.

[0022] Explanation of the accompanying drawings: 1. Disc mounting seat; 2. Brake disc body; 3. Positioning ring seat; 4. Brake mounting ring seat; 5. Connecting rivet hole; 6. Connecting rivet column; 7. Heat dissipation through hole; 8. Ring seat heat dissipation hole; 9. Bolt mounting hole; 10. Aluminum-based disc body; 11. Cast iron brake layer. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0025] Example

[0026] See also Figure 1-6 The utility model provides a technical solution: an aluminum-based composite lightweight brake disc, comprising a disc body mounting seat 1 and a brake disc body 2, the disc body mounting seat 1 is used for installing and fixing the brake disc body 2, the disc body mounting seat 1 is integrally cast using cast aluminum material, has good structural strength and light structural mass, in order to facilitate installation and connection with the vehicle body, bolt mounting holes 9 are evenly opened on the rear connecting side of the disc body mounting seat 1, the bolt mounting holes 9 are evenly opened in a circular shape at the rear of the disc body mounting seat 1, the disc body mounting seat 1 is installed and fixed through the bolt mounting holes 9 in conjunction with the bolt structure, as a connecting structure between the brake disc and the vehicle body.

[0027] The brake disc body 2 includes an aluminum-based disc body 10 and a cast iron brake layer 11. The aluminum-based disc body 10 is an aluminum-based silicon carbide powder metallurgy material. The density of aluminum-based silicon carbide powder is about one-third of that of cast iron. It has a smaller structural mass and better structural strength. The aluminum-based disc body 10 is arranged on the installation side of the brake disc body 2 as the main body of the brake disc body 2, which greatly reduces the overall weight of the brake disc, realizes the lightweight structure of the brake disc, and is beneficial to the improvement of the brake disc performance. The cast iron brake layer 11 is made of cast iron. The cast iron brake layer 11 is arranged on the braking side of the brake disc body 2 as the braking friction structure of the brake disc body 2. The aluminum-based disc body 10 and the cast iron brake layer 11 are fixedly connected by integral sintering, which can ensure the braking performance of the brake disc.

[0028] In order to facilitate the installation of the brake disc body 2, a brake mounting ring seat 4 is provided at the front of the disc body mounting seat 1. The brake mounting ring seat 4 is fixed to the front side of the disc body mounting seat 1. Positioning ring seats 3 are fixed at the inner rings of the front and rear sides of the brake mounting ring seat 4. There are two brake disc bodies 2. Figure 2 As shown, the two brake disc bodies 2 are respectively mounted on both sides of the brake mounting ring seat 4 through the positioning ring seat 3, which can facilitate the installation and positioning of the brake disc body 2. In order to facilitate the assembly of the brake disc, the upper part of the brake mounting ring seat 4 is evenly provided with connecting rivet holes 5, and the installation side of the brake disc body 2 is evenly provided with connecting rivet columns 6. Figure 3 As shown, the number and position of the connecting rivet holes 5 and the connecting rivet columns 6 correspond to each other. During the preliminary positioning and installation in the assembly process, the connecting rivet columns 6 are inserted and engaged with the connecting rivet holes 5 to realize the assembly positioning of the brake disc body 2. After pressing, the connecting rivet columns 6 and the connecting rivet holes 5 are tightly riveted together. The brake disc body 2 is installed on the side of the brake mounting ring seat 4 through integrated pressing and riveting. An integrated riveting installation method is adopted. During production, the fixed installation of the brake disc body 2 and the brake mounting ring seat 4 can be completed by integrated pressing. The process is simple and has lower processing costs and process requirements than the traditional bolt-type installation structure, and can improve the production efficiency of the brake disc.

[0029] In order to improve the heat dissipation efficiency of the brake disc, heat dissipation holes 7 are provided through the upper part of the brake disc body 2 and the brake mounting ring seat 4. Figure 5 As shown, a plurality of heat dissipation holes 7 are provided, and a plurality of heat dissipation holes 7 are evenly arranged in a circumferential shape on the upper part of the brake mounting ring seat 4 and the brake disc body 2, which can increase the heat dissipation efficiency of the positioning ring seat 3. In order to improve the heat dissipation efficiency of the brake disc body 2 itself, the upper part of the positioning ring seat 3 is evenly provided with ring seat heat dissipation holes 8, as shown in the attached Figure 4 As shown, a plurality of ring seat heat dissipation holes 8 are evenly arranged in a circle and penetrate the middle of the positioning ring seat 3 . When the brake disc rotates, the air flow can be accelerated to improve the heat dissipation efficiency of the brake disc body 2 .

[0030] Working principle or structural principle, the disc body mounting seat 1 part is cast as a whole using cast aluminum material, and the aluminum-based disc body 10 and the cast iron brake layer 11 are combined into a whole by sintering to form a brake disc body 2. During assembly, the two brake disc bodies 2 are embedded and installed with the brake mounting ring seat 4 at the front of the disc body mounting seat 1, and then the brake disc is placed in a pressing device as a whole. Through double-sided pressure, the connecting rivet columns 6 on the side of the brake disc body 2 are tightly riveted with the connecting rivet holes 5 on the upper part of the brake mounting ring seat 4 to complete the assembly process of the brake disc body 2. During operation, the cast iron brake layer 11 on the braking side of the brake disc body 2 is in contact and rubbed with the friction brake structure to achieve braking and deceleration of the vehicle.

[0031] In summary, the brake disc adopts an integrated riveted installation method, connecting rivet holes 5 are evenly arranged on the upper part of the brake mounting ring seat 4, and connecting rivet columns 6 are evenly arranged on the installation side of the brake disc body 2. During production, the brake disc body 2 and the brake mounting ring seat 4 can be fixedly installed by integrated pressing. The process is simple and has lower processing costs and process requirements than the traditional bolt-type installation structure, and can improve the production efficiency of the brake disc. In addition, a lightweight structure is adopted for the brake disc, cast aluminum material is used for the disc body mounting seat 1, and an aluminum-based disc body 10 and a cast iron brake layer 11 are composited to form the brake disc body 2, which greatly reduces the overall weight of the brake disc, realizes the lightweight structure of the brake disc, and is beneficial to the improvement of the performance of the brake disc.

[0032] So far, the embodiments of the utility model have been described in detail in conjunction with the accompanying drawings. It should be noted that the implementation methods not shown or described in the drawings or the body of the specification are all forms known to ordinary technicians in the relevant technical field and are not described in detail. In addition, the above definitions of each component are not limited to the various specific structures, shapes or methods mentioned in the embodiments, and ordinary technicians in the field can simply change or replace them.

[0033] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An aluminum-based composite lightweight brake disc, comprising a disc body mounting seat (1) and a brake disc body (2), characterized in that: The front portion of the disc body mounting seat (1) is provided with a brake mounting ring seat (4), the upper portion of the brake mounting ring seat (4) is evenly provided with connecting rivet holes (5), the mounting side of the brake disc body (2) is evenly provided with connecting rivet columns (6), and the brake disc body (2) is mounted on the side of the brake mounting ring seat (4) by integral press-fit riveting; The brake disc body (2) comprises an aluminum-based disc body (10) and a cast iron brake layer (11), and the aluminum-based disc body (10) and the cast iron brake layer (11) are fixedly connected.

2. The aluminum-based composite lightweight brake disc according to claim 1, characterized in that: The aluminum-based disc body (10) is arranged on the installation side of the brake disc body (2), and the cast iron brake layer (11) is arranged on the braking side of the brake disc body (2). The aluminum-based disc body (10) and the cast iron brake layer (11) are fixedly connected by integral sintering.

3. The aluminum-based composite lightweight brake disc according to claim 1, characterized in that: Bolt mounting holes (9) are evenly provided on the rear connection side of the disc body mounting seat (1), and the disc body mounting seat (1) is mounted and fixed through the bolt mounting holes (9) in conjunction with the bolt structure.

4. The aluminum-based composite lightweight brake disc according to claim 3, characterized in that: The brake mounting ring seat (4) is fixed to the front side of the disc body mounting seat (1), and positioning ring seats (3) are fixed to the inner rings on both the front and rear sides of the brake mounting ring seat (4). There are two brake disc bodies (2), and the two brake disc bodies (2) are respectively embedded and mounted on both sides of the brake mounting ring seat (4) through the positioning ring seats (3).

5. The aluminum-based composite lightweight brake disc according to claim 4, characterized in that: The number and positions of the connecting rivet holes (5) and the connecting rivet columns (6) correspond to each other. The connecting rivet columns (6) and the connecting rivet holes (5) are interlocked and plugged together. After pressing together, the connecting rivet columns (6) and the connecting rivet holes (5) are tightly riveted together.

6. The aluminum-based composite lightweight brake disc according to claim 5, characterized in that: The upper parts of the brake disc body (2) and the brake mounting ring seat (4) are both penetrated by heat dissipation holes (7), and a plurality of the heat dissipation holes (7) are provided, and several of the heat dissipation holes (7) are evenly arranged in a circular shape on the upper parts of the brake mounting ring seat (4) and the brake disc body (2).

7. The aluminum-based composite lightweight brake disc according to claim 6, characterized in that: Ring seat heat dissipation holes (8) are evenly arranged on the upper part of the positioning ring seat (3), and a plurality of the ring seat heat dissipation holes (8) are evenly arranged in a circular shape and penetrate the middle part of the positioning ring seat (3).

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